Improvement in propellers



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parts.

JAMES sALTEn, or WILLIAMsBURc, NEW Yoan.

Letters Patent No. 109,673, dated November 2,9, 1870.

IMPROVEMENT IN PROPELLERS.

The`Schedu1e referred to in theee-Letters'Patent and making part 'of thesame,

To all whom it may concern Be it known that I, JAMES SALTEmofiVilliamsburg, in vthe county of Kings and State of New York, haveinvented a new and improved Propeller; and I do hereby declare that thefollowing-is .a full, clear, and exact description thereof, which willenable others skilled in the art to make and use the same, referencebeing had to Iche accompanying drawing forming pait of thisspecification.

The present invention vrelates to an improved 131,12 peller, Whose fansare made fiat in nfhfibase Cuu. fl'sunk, if) 17h? hub, t0 Whlltil'ey areheld secure by mellls- 0f llltli braces',l provided with' vnutsv and,SQI'P'SL' adjust the pitch.- y'

gure 1 representsv a plan of. my propeller.

Figure' 2 is an end view of the same. lSimilar letters of reference4,indicate corresponding In this case the letters A-represent the fans,which are made iiat.

The bases of the said fans are set in grooves prepared for them in thehub B, where they are held secure by the braces C, which are bolted tothe hub and fans, asshown in the accompanying drawing.

Each alternate brace is provided with a. swivelenit, so as to enable thepitch to be altered if found necessary. 'y

'lhe object iu thus securing the fans to thehub is to enable a fan to bereplaced should an accident happen at sea.

.I claim as new and desire to sec-ul? Patent#- Ailat fan, A, set in thehuh B, and secured thereto by means of braces C, the said braces beingpro'- videdwith adjusting-swivels D, constructed, arranged, andoperating in the manner and for the purpose sub- 4stanti-ally as hereinset forth, shown, and described.

. The abovespecication of my invention signed by me this 1st day ofOctober, 1870.

` JAMES SAI/FER. Witnesses:

GEO. W. MABEE, L. S. MABEE.

